Code Submission Evaluation System Login

BOI 2016, day 1

Start:2016-05-12 09:00:00
End:2016-05-12 14:00:00
 

Tasks | Scoreboard | Statistics


CSES - BOI 2016, day 1 - Results
History
2016-05-12 09:58:38100
2016-05-12 09:54:1367
2016-05-12 09:51:1867
2016-05-12 09:50:330
2016-05-12 09:45:5267
2016-05-12 09:44:3967
2016-05-12 09:42:3667
2016-05-12 09:42:0267
Task:Bosses
Sender:elgun1999
Submission time:2016-05-12 09:58:38
Language:C++
Status:READY
Score:100

Feedback

groupverdictscore
#1ACCEPTED22
#2ACCEPTED45
#3ACCEPTED33

Test results

testverdicttime (s)group
#1ACCEPTED0.05 / 1.501details
#2ACCEPTED0.04 / 1.501details
#3ACCEPTED0.06 / 1.501details
#4ACCEPTED0.05 / 1.501details
#5ACCEPTED0.06 / 1.501details
#6ACCEPTED0.05 / 1.501details
#7ACCEPTED0.06 / 1.502details
#8ACCEPTED0.05 / 1.502details
#9ACCEPTED0.05 / 1.502details
#10ACCEPTED0.06 / 1.502details
#11ACCEPTED0.05 / 1.502details
#12ACCEPTED0.06 / 1.503details
#13ACCEPTED0.06 / 1.503details
#14ACCEPTED0.22 / 1.503details
#15ACCEPTED0.07 / 1.503details
#16ACCEPTED0.70 / 1.503details
#17ACCEPTED1.00 / 1.503details
#18ACCEPTED1.05 / 1.503details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:33:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int j = 0; j < v[x].size(); j++)
                                           ^
input/code.cpp:17:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
input/code.cpp:19:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &k);
                        ^
input/code.cpp:21:40: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &x), v[x].pb(i);
                                        ^

Code

#include <bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define ll long long

using namespace std;

int n, k, x, us[5001], d[5001], h[5005], f, p, ans = 1 << 30;
vector <int> v[5001], g[5001];

int main()
{
    //ios_base::sync_with_stdio(0);
    //cin.tie(0);
    scanf("%d", &n);
    for (int i = 1; i <= n; i++) {
        scanf("%d", &k);
        while(k--)
            scanf("%d", &x), v[x].pb(i);
    }
    for (int i = 1; i <= n; i++) {
        f++;
        queue<int> q;
        q.push(i);
        us[i] = f;
        h[i] = 1;
        int p = 1;
        while(!q.empty()) {
            x = q.front();
            q.pop();
            for (int j = 0; j < v[x].size(); j++)
                if (us[v[x][j]] != f) us[v[x][j]] = f, q.push(v[x][j]),  h[v[x][j]] = h[x] + 1, p += h[v[x][j]];
        }
        int c = 0;
        for (int j = 1; j <= n; j++)
            if (us[j] != f) c = 1;
        if (c) continue;

        ans = min(ans, p);
    }
    cout << ans << endl;

    return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
4
1 4
3 1 3 4
2 1 2
1 3
view   save

correct output
8

view   save

user output
8

view   save

Test 2

Group: 1

Verdict: ACCEPTED

input
6
2 6 5
3 4 6 3
2 4 1
4 5 3 1 6
...
view   save

correct output
12

view   save

user output
12

view   save

Test 3

Group: 1

Verdict: ACCEPTED

input
9
2 6 3
2 8 4
0
4 8 3 6 9
...
view   save

correct output
22

view   save

user output
22

view   save

Test 4

Group: 1

Verdict: ACCEPTED

input
10
3 3 2 8
3 6 7 3
4 6 10 7 9
1 10
...
view   save

correct output
24

view   save

user output
24

view   save

Test 5

Group: 1

Verdict: ACCEPTED

input
10
3 4 8 10
1 10
1 5
3 6 8 5
...
view   save

correct output
23

view   save

user output
23

view   save

Test 6

Group: 1

Verdict: ACCEPTED

input
10
2 2 6
2 3 5
2 4 1
2 6 7
...
view   save

correct output
26

view   save

user output
26

view   save

Test 7

Group: 2

Verdict: ACCEPTED

input
100
2 78 92
1 15
1 57
1 45
...
view   save

correct output
527

view   save

user output
527

view   save

Test 8

Group: 2

Verdict: ACCEPTED

input
50
6 16 31 50 6 4 8
7 7 16 27 22 15 30 14
5 20 22 42 33 37
3 18 45 9
...
view   save

correct output
156

view   save

user output
156

view   save

Test 9

Group: 2

Verdict: ACCEPTED

input
30
5 12 26 25 18 24
8 6 13 5 7 10 22 20 29
6 16 14 9 27 5 20
3 19 17 11
...
view   save

correct output
77

view   save

user output
77

view   save

Test 10

Group: 2

Verdict: ACCEPTED

input
100
2 2 77
3 99 94 85
2 47 29
2 33 74
...
view   save

correct output
428

view   save

user output
428

view   save

Test 11

Group: 2

Verdict: ACCEPTED

input
100
3 50 11 85
2 84 69
2 41 39
2 43 82
...
view   save

correct output
617

view   save

user output
617

view   save

Test 12

Group: 3

Verdict: ACCEPTED

input
200
46 154 36 47 187 86 48 66 124 ...
view   save

correct output
531

view   save

user output
531

view   save

Test 13

Group: 3

Verdict: ACCEPTED

input
150
60 32 101 42 139 95 36 81 83 1...
view   save

correct output
370

view   save

user output
370

view   save

Test 14

Group: 3

Verdict: ACCEPTED

input
5000
1 3355
1 2176
1 3754
1 950
...
view   save

correct output
6256017

view   save

user output
6256017

view   save

Test 15

Group: 3

Verdict: ACCEPTED

input
5000
1 848
1 418
1 3390
1 2840
...
view   save

correct output
45193

view   save

user output
45193

view   save

Test 16

Group: 3

Verdict: ACCEPTED

input
5000
2 4629 753
1 345
3 3573 1802 449
1 3051
...
view   save

correct output
27449

view   save

user output
27449

view   save

Test 17

Group: 3

Verdict: ACCEPTED

input
5000
2 2282 1819
2 2987 3194
2 3472 4256
2 3226 3684
...
view   save

correct output
39850

view   save

user output
39850

view   save

Test 18

Group: 3

Verdict: ACCEPTED

input
5000
2 1912 3423
2 419 4226
2 1627 4693
2 4760 1391
...
view   save

correct output
40097

view   save

user output
40097

view   save